Set approximately 10 years after the events of the original BioShock, the halls of Rapture once again echo with sins of the past. Along the Atlantic coastline, a monster has been snatching little girls and bringing them back to the undersea city of Rapture. You are the very first Big Daddy as you travel through the decrepit and beautiful fallen city, chasing an unseen foe in search of answers and your own survival.

Multiplayer in BioShock 2 PC provides a rich prequel experience that expands the award-winning BioShock gameplay. Set during the fall of Rapture, players assume the role of a Plasmid test subject in the underwater city that was first explored in the original BioShock. Players will need to use all the elements of the game's toolset to survive as the full depth of the BioShock experience is refined and transformed into a unique multiplayer experience that can only be found in Rapture.